异常完整信息前端
java.lang.IllegalArgumentException: Cannot deserialize value of type `java.util.Date` from String "2019-5-31 00:00": not a valid representation (error: Failed to parse Date value '2019-5-31 00:00': Cannot parse date "2019-5-31 00:00": while it seems to fit format 'yyyy-MM-dd'T'HH:mm:ss.SSSZ', parsing fails (leniency? null))java
异常场景:json
前端传的时间格式是:yyyy-MM-dd HH:mm服务器
服务器的controller接收方式:@RequestBody Map<String, Object> paramapp
而后将map转成实体集合,代码以下ide
List<xxx> list1 = (List<xxx>) map.get("jsonStr"); ObjectMapper mapper = new ObjectMapper(); List<xxx> list = mapper.convertValue(list1, new TypeReference<List<xxx>>(){ });
异常描述:spa
jackson反序列化失败,yyyy-MM-dd HH:mm不是有效的格式。code
这里提下jackson默认支持的日期反序列格式:orm
("yyyy-MM-dd'T'HH:mm:ss.SSSZ", "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", "EEE, dd MMM yyyy HH:mm:ss zzz", "yyyy-MM-dd"))xml
解决方案:重写jackson反序列化
import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import java.io.IOException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class JsonDateDeserializer extends JsonDeserializer<Date> { @Override public Date deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm"); String date = p.getText(); try { return format.parse(date); } catch (ParseException e) { throw new RuntimeException(e); } } }